Bibliografías temáticas / Method of dust particles

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Literatura académica sobre el tema "Method of dust particles"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 1 de febrero de 2022

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Artículos de revistas sobre el tema "Method of dust particles"

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Ding, Tianxiang, Xuyan Hou, Man Li, et al. "Investigation on Computing Method of Martian Dust Fluid Based on the Energy Dissipation Method." International Journal of Aerospace Engineering 2020 (May 23, 2020): 1–13. http://dx.doi.org/10.1155/2020/2370385.

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In this paper, an initiative Martian dust fluid simulating research based on the energy dissipation method was developed to simulate the deposition process of Martian dust fluid which was caused by surface adhesion between particles and Martian rovers. Firstly, an energy dissipation model of particles based on the Discrete Element Method (DEM) was established because of the characteristics of Martian dust particles such as tiny size and viscoelasticity. This model is based on the existing DMT model to analyze the collision deposition of dust fluid particles, including particle-spacecraft colli
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Rao, Qingwen, Guanjun Xu, Pengfei Wang, and Zhengqi Zheng. "Study on the Propagation Characteristics of Terahertz Waves in Dusty Plasma with a Ceramic Substrate by the Scattering Matrix Method." Sensors 21, no. 1 (2021): 263. http://dx.doi.org/10.3390/s21010263.

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The propagation characteristics of terahertz (THz) waves incident vertically into inhomogeneous and collisional dusty plasma with a ceramic substrate are studied using the scattering matrix method (SMM). The effects of the incident wave frequency and plasma parameters, such as the maximal electron density, dust particle density, dust particle radius and collision frequency, on the reflectance and transmittance of THz waves in the dusty plasma are discussed. In addition, the differences of the propagation properties in the dusty plasma, with and without ceramic substrate, are analyzed. Meanwhil
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CHUTOV, Yu I., O. Yu KRAVCHENKO, R. D. SMIRNOV, and P. P. J. M. SCHRAM. "Relaxation of dusty plasmas in plasma crystals." Journal of Plasma Physics 63, no. 1 (2000): 89–96. http://dx.doi.org/10.1017/s0022377899008107.

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Relaxation phenomena in two-dimensional (2D) plasma crystals have been investigated, including both the self-consistent electric charge of dust particles and the electron and ion velocity distribution functions, by means of a modified 2D particle-in-cell (PIC) method. The results obtained show that the mutual interaction of dust particles in such crystals leads to special properties of the background electrons and ions due to their selective collection by dust particles during the relaxation. These electrons and ions can behave as non-ideal components of dusty plasmas in plasma crystals even i
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Markkanen, J., and J. Agarwal. "Thermophysical model for icy cometary dust particles." Astronomy & Astrophysics 643 (October 27, 2020): A16. http://dx.doi.org/10.1051/0004-6361/202039092.

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Context. Cometary dust particles are subjected to various forces after being lifted off the nucleus. These forces define the dynamics of dust, trajectories, alignment, and fragmentation, which, in turn, have a significant effect on the particle distribution in the coma. Aims. We develop a numerical thermophysical model that is applicable to icy cometary dust to study the forces attributed to the sublimation of ice. Methods. We extended the recently introduced synoptic model for ice-free dust particles to ice-containing dust. We introduced an additional source term to the energy balance equatio
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Havnes, Ove, Tarjei Antonsen, Gerd Baumgarten, et al. "A new method of inferring the size, number density, and charge of mesospheric dust from its in situ collection by the DUSTY probe." Atmospheric Measurement Techniques 12, no. 3 (2019): 1673–83. http://dx.doi.org/10.5194/amt-12-1673-2019.

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Abstract. We present a new method of analyzing measurements of mesospheric dust made with DUSTY rocket-borne Faraday cup probes. It can yield the variation in fundamental dust parameters through a mesospheric cloud with an altitude resolution down to 10 cm or less if plasma probes give the plasma density variations with similar height resolution. A DUSTY probe was the first probe that unambiguously detected charged dust and aerosol particles in the Earth's mesosphere. DUSTY excluded the ambient plasma by various biased grids, which however allowed dust particles with radii above a few nanomete
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Ono, Kohei, Yuki Mizushima, Masaki Furuya, et al. "Direct Measurement of Adhesion Force of Individual Aerosol Particles by Atomic Force Microscopy." Atmosphere 11, no. 5 (2020): 489. http://dx.doi.org/10.3390/atmos11050489.

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A new method, namely, force–distance curve mapping, was developed to directly measure the adhesion force of individual aerosol particles by atomic force microscopy. The proposed method collects adhesion force from multiple points on a single particle. It also takes into account the spatial distribution of the adhesion force affected by topography (e.g., the variation in the tip angle relative to the surface, as well as the force imposed upon contact), thereby enabling the direct and quantitative measurement of the adhesion force representing each particle. The topographic effect was first eval
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Iwata, Ayumi, and Atsushi Matsuki. "Characterization of individual ice residual particles by the single droplet freezing method: a case study in the Asian dust outflow region." Atmospheric Chemistry and Physics 18, no. 3 (2018): 1785–804. http://dx.doi.org/10.5194/acp-18-1785-2018.

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Abstract. In order to better characterize ice nucleating (IN) aerosol particles in the atmosphere, we investigated the chemical composition, mixing state, and morphology of atmospheric aerosols that nucleate ice under conditions relevant for mixed-phase clouds. Five standard mineral dust samples (quartz, K-feldspar, Na-feldspar, Arizona test dust, and Asian dust source particles) were compared with actual aerosol particles collected from the west coast of Japan (the city of Kanazawa) during Asian dust events in February and April 2016. Following droplet activation by particles deposited on a h
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Mentiplay, Daniel, Daniel J. Price, Christophe Pinte, and Guillaume Laibe. "A smoothed particle hydrodynamics algorithm for multigrain dust with separate sets of particles." Monthly Notices of the Royal Astronomical Society 499, no. 3 (2020): 3806–18. http://dx.doi.org/10.1093/mnras/staa3171.

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ABSTRACT We present a method for simulating the dynamics of a mixture of gas and multiple species of large Stokes number dust grains, typical of evolved protoplanetary discs and debris discs. The method improves upon earlier methods, in which only a single grain size could be represented, by capturing the differential backreaction of multiple dust species on the gas. This effect is greater for large dust-to-gas ratios that may be expected in the later stages of the protoplanetary disc life. We benchmark the method against analytic solutions for linear waves, drag, and shocks in dust–gas mixtur
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Chutov, Yu I., A. Yu Kravchenko, and P. P. J. M. Schram. "Expansion of a bounded plasma with dust particles." Journal of Plasma Physics 55, no. 1 (1996): 87–94. http://dx.doi.org/10.1017/s0022377800018687.

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The expansion of a bounded plasma with dust particles is investigated by means of computer modelling, taking into account the dynamics of the dust particle charge as well as the Coulomb collisions of electrons and ions with dust particles. The PIC method is used for the computer modelling. The collection of electrons and ions by dust particles is described in a way similar to orbit-limited probe theory. Coulomb interactions are described in the framework of stochastic differential equations. It is shown that the mean distribution functions of electrons and ions are influenced by the dust parti
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Jurányi, Z., H. Burtscher, M. Loepfe, M. Nenkov, and E. Weingartner. "Dual-wavelength light scattering for selective detection of volcanic ash particles." Atmospheric Measurement Techniques Discussions 8, no. 8 (2015): 8701–26. http://dx.doi.org/10.5194/amtd-8-8701-2015.

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Abstract. A new method is presented in this paper which analyses the scattered light of individual aerosol particles simultaneously at two different wavelengths in order to retrieve information on the particle type. We show that dust-like particles, such as volcanic ash, can be unambiguously discriminated from water droplets on a single particle level. As a future application of this method, the detection of volcanic ash particles should be possible in a humid atmosphere in the presence of cloud droplets. We show an example, how the characteristic behaviour of pure water's refractive index can
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Tesis sobre el tema "Method of dust particles"

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Vachon, Nicholas. "A Bound Vortex Surface Impingement Method for Adhered Dust Particle Removal." ScholarWorks @ UVM, 2010. http://scholarworks.uvm.edu/graddis/233.

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Methods of dust mitigation in Martian and Lunar environments are an increasingly active area of research within the uid dynamic and aerospace community. Martian and Lunar environments produce electrically charged particles, which easily adhere to exposed surfaces. Adhered regolith particles can interfere with human comfort and mechanical functionality. In this work we investigate the potential to enhance particle removal through bound vortex surface impingement. A bound vortex ow condition is created using a specialized nozzle con guration where a combination of positive pressure in
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Píšala, Jan. "Vliv prachových částic na kluzný kontakt." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2019. http://www.nusl.cz/ntk/nusl-399548.

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Master's thesis "effect of dust particles on sliding electrical contact" summarizes the sliding contact theory and praxe in rotating electrical machines. The principle of brush machines is described and the working environments are defined. The individual components of the sliding contact and reasons of their degradation are described in detail. Emphasis is placed on the influence of foreign particles, which can be assessed in practice by the method of dust particles. Furthermore, these theoretical knowledge was used in the practical assessment of the technical condition of various machines, a
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Akinsiku, Sileola B. "Detecting Organic Molecules on the Surface of Inorganic Dust Particles Using Aerosol Mass Spectrometry." DigitalCommons@USU, 2009. https://digitalcommons.usu.edu/etd/369.

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Detection of organic molecules present on the surface of dust particles is important in homeland security, agriculture, and several other applications. The research presented reports the ability of the aerosol mass spectrometer (AMS) to detect molecules on the surface of dust particles without detecting the particle core. Experiments were carried out to detect semi-volatile organic compounds adsorbed onto the surface of particulates without interference from the dust particle core. Methyl salicylate, oleic acid, and organophosphorus pesticides such as Malathion were detected on the surface of
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Marstorp, Gustav. "Automated Control System for Dust Concentration Measurements Using European Standard Reference Method." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-292583.

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Most companies that have any type of combustion or other pollution process via emission to air needs to measure their emissions to ensure they are within legal boundaries. Among the different types of pollution measurements, one of the most common is dust concentration, also known as particle concentration. An important factor in dust concentration measurements is to ensure that the concentration of the measured dust is representative to the dust concentration in the emissions. This is measured in isokinetic deviation, defined as (vn 􀀀 vd)=vd, where vn is the velocity in the entry nozzle and v
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Kopecký, Jiří. "Diagnostika kluzného kontaktu s využitím praktické aplikace „Metody prachových částic“." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2013. http://www.nusl.cz/ntk/nusl-219907.

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This thesis deals with the sliding contact of electrical machines and its diagnostic methods. Namely, the dust-particles method for assessing the length decrease of brushes is deeply described. Then, usage of the method in industry is described. The comparison of accuracy between manual version and new automated version of the method using computer analysis is presented. The final section is devoted to the practical verification of the new automated version which was developed especially for large machines. Measurements were performed on a small machine.
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Kurzępa, Marek. "Příspěvek k praktickému posouzení expresní metody pro hodnocení kvality kluzného kontaktu." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-221173.

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This thesis is devoted to the topic of kluzný kontakt and its diagnostic, especially to the type of diagnostic using the method of -- of dust particles. The author presents an example of applying this method and deals with the topic of development of a laboratory template that will give access to bigger variability in studying this method.
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Scandoleira, Fernando Cezar. "Desenvolvimento de método laboratorial de determinação de quantidade de particulados em suspensão no ar." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/3/3134/tde-16072013-164314/.

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Este trabalho apresenta os resultados que permitiram o desenvolvimento de um método simples e de baixo custo, para avaliações dos problemas causados pela quantidade de partículas sólidas suspensas no ar, que pode ser usado em escala laboratorial ou em usinas industriais de diversas áreas, mas especialmente no segmento de mineração. Por causa da baixa precisão dos métodos manuais existentes hoje (não se refere especificamente aos métodos eletrônicos) para a finalidade de determinação de quantidade de sólidos suspensos no ar, este estudo mostra a composição de um método com equipamentos já exist
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Alexander, Jennifer Mary. "Optical properties of mineral dust aerosol including analysis of particle size, composition, and shape effects, and the impact of physical and chemical processing." Diss., University of Iowa, 2015. https://ir.uiowa.edu/etd/1819.

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Atmospheric mineral dust has a large impact on the earth’s radiation balance and climate. The radiative effects of mineral dust depend on factors including, particle size, shape, and composition which can all be extremely complex. Mineral dust particles are typically irregular in shape and can include sharp edges, voids, and fine scale surface roughness. Particle shape can also depend on the type of mineral and can vary as a function of particle size. In addition, atmospheric mineral dust is a complex mixture of different minerals as well as other, possibly organic, components that have been m
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Daryanani, Roshan D. "Potential distribution around dust particles in plasmas." Thesis, University of Oxford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337811.

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Rost, Detlef. "TOF-SIMS analyses of interplanetary dust particles." [S.l. : s.n.], 2000. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB8832568.

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Libros sobre el tema "Method of dust particles"

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S, El-Shobokshy Mohammad, ed. Predicting and measuring fugitive dust. Technomic Pub. Co., 1985.

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Cremonesi, Llorenç. Light Scattering From Micrometric Mineral Dust and Aggregate Particles. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-56787-3.

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International Symposium on Inhaled Particles (7th 1991 Edinburgh, Scotland). Inhaled particles VII: Proceedings of an International Symposium on Inhaled Particles. Edited by Dodgson J, McCallum R. I, and British Occupational Hygiene Society. Pergamon, 1994.

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Flynn, George. "Trace element abundance measurements on cosmic dust particles": Final report. National Aeronautics and Space Administration, 1996.

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Particulate matter: Sources, emission rates, and health effects. Nova Science Publishers, 2011.

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Xinrong, Ou, ed. Nai mi wei li yan mo zuo ye bao zha yu fang yan jiu: Prevention technologies of dust explosions for nano-particles in the milling process. Xing zheng yuan lao gong wei yuan hui lao gong an quan wei sheng yan jiu suo, 2007.

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Xinrong, Ou, ed. Nai mi wei li yan mo zuo ye bao zha yu fang yan jiu: Prevention technologies of dust explosions for nano-particles in the milling process. Xing zheng yuan lao gong wei yuan hui lao gong an quan wei sheng yan jiu suo, 2007.

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Vershinkin, V. V. Field mechanics: New method for construction of mechanics of elementary particles, atomic nuclei, atoms, and molecules. Karat, 2002.

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Lew Yan Voon, Lok C. and SpringerLink (Online service), eds. The k p Method: Electronic Properties of Semiconductors. Springer-Verlag Berlin Heidelberg, 2009.

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Sophia, Figarova, and SpringerLink (Online service), eds. Thermodynamics, Gibbs Method and Statistical Physics of Electron Gases: Gibbs Method and Statistical Physics of Electron Gases. Springer-Verlag Berlin Heidelberg, 2010.

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Capítulos de libros sobre el tema "Method of dust particles"

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Ahmed, Modi, and Khaliq Beg. "Other Properties (BET Surface Area, Conductivity, Organic Matter, and pH)." In Atlas of Fallen Dust in Kuwait. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-66977-5_8.

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Abstract Brunauer, Emmett, and Teller (BET) test were applied to dust samples in which samples (BET) surface area is highly related to the roundness of dust particles. The higher angularity and low roundness of the dust particles show a higher (BET) surface area. The roundness is also related to the particlesize distribution and mineralogical composition. The electrical conductivity test relates very well with the chemical and physical properties of dust samples in the transmission of an electrical current. The organic matter content was measured using the ignition method and the pH of the samples was recorded. Maps of the distribution of high and low BET concentrations, electrical conductivity EC, organic matter content, pH.
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Xu, Z. T., J. Y. Wang, and M. X. Han. "The exploration and control methods of mine dust particles." In Advances in Materials Science, Energy Technology and Environmental Engineering. CRC Press/Balkema, 2016. http://dx.doi.org/10.1201/9781315227047-86.

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Al-Dousari, Noor, Modi Ahmed, Ali Al-Dousari, Musaad Al-Daihani, and Murahib Al-Elaj. "Dust Particle Size and Statistical Parameters." In Atlas of Fallen Dust in Kuwait. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-66977-5_3.

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AbstractGrain ‘size’ can be specified and measured in several different ways. All methods of grain size determination have blemishes, and the choice of the most appropriate method is governed by the nature of the sample and the use to which the data are placed. Four main methods are currently used for size analysis of sands: (a) sieving; (b) settling tube analysis; (c) electro-optical methods, including Coulter Counter analysis and laser granulometry; and (d) computerized image analysis. The classification of the particle size distribution of Kuwait dust was mapped according to the parameters proposed by Folk And Ward (1957) which were widely used for quantitative comparisons between natural grain size distribution and the lognormal distribution that shows better sorted sediments have lower values of σ1. Maps of the distribution of dust in Kuwait were obtained that included: fine sand (F.S.), Coarse sand (C.S), Medium Sand (M.S), Very Fine Sane (V.F.S), Very Coarse Silt (V.C.Silt), Coarse Silt (C.Silt), Medium Silt (M.Silt), Fine Silt (F.Silt), Very Fine Silt (V.F.Silt), in addition to that, the deposition percentage of Clay, Sand, mud (silt plus clay) and silt were provided.
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Babenko, V. A., and P. K. Petrov. "Calculation of Optical Fields Inside Spheroidal Particles of Cosmic Dust: Comparison of Different Methods: GMT, T - Matrix, SVM." In Optics of Cosmic Dust. Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0628-6_7.

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Ostermeyer, Georg-Peter, and Andreas Krumm. "Abstract Methods on Mesoscopic Scales of Friction." In Springer Tracts in Mechanical Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60124-9_6.

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AbstractIn recent years, research has increasingly focused on the complex processes involved in friction contacts. Especially in tribological high-loaded contacts, characterized by the presence of contact modifying wear particles, macroscopic friction shows a surprisingly high dynamic complexity on many temporal and local scales. There are dominant effects on mesoscopic scales such as the geometric self-organization structures of the wear dust in the contact, which can significantly change the local contact surfaces. For the description and simulation of these phenomena, abstract methods have shown their effectiveness. One class of methods are cellular automata, both volume- and particle-based. The latter are in particular the Movable Cellular Automata developed by Sergey Psakhie. The scales of these discrete methods are freely selectable in wide ranges between the macro world and the atomic scale. Nevertheless, they provide reliable information on mesoscopic balances in the boundary layer and thus also on the macroscopic behavior of the tribocontact. The success of these methods is shown by the example of an automotive brake. The question of the relative insensitivity of the scales of these mesoscopic methods is examined in detail.
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Mateshvili, Nina, Iuri Mateshvili, Giuli Mateshvili, Lev Gheondjian, and Zurab Kapanadze. "Dust Particles in the Atmosphere during the Leonid Meteor Showers of 1998 and 1999." In Leonid Storm Research. Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-017-2071-7_35.

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Irvine, William M. "Interplanetary Dust Particles." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11274-4_796.

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Melzer, André. "Charging of Dust Particles." In Physics of Dusty Plasmas. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20260-6_2.

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Huffman, Donald R. "Pitfalls in Calculating Scattering by Small Particles." In Interstellar Dust. Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-2462-8_28.

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Sandford, Scott A. "Interstellar Dust in Collected Interplanetary Dust Particles." In Interstellar Dust. Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-2462-8_36.

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Actas de conferencias sobre el tema "Method of dust particles"

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Di Claudio, Elio D., Giovanni Jacovitti, Gianni Orlandi, and Andrea Proietti. "Fast Classification of Dust Particles from Shadows." In International Conference on Pattern Recognition Applications and Methods. SCITEPRESS - Science and and Technology Publications, 2015. http://dx.doi.org/10.5220/0005218802410247.

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Kohli, Rajiv. "Review of Methods for Characterization of Microsize Dust Particles." In International Conference On Environmental Systems. SAE International, 2009. http://dx.doi.org/10.4271/2009-01-2335.

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Averkova, Olga, Konstantin Logachev, Artur Logachev, and Elena Tolmacheva. "DYNAMICS OF DUST PARTICLES NEAR THE ROUND BELL SUCTION INLET." In VII European Congress on Computational Methods in Applied Sciences and Engineering. Institute of Structural Analysis and Antiseismic Research School of Civil Engineering National Technical University of Athens (NTUA) Greece, 2016. http://dx.doi.org/10.7712/100016.1836.5267.

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Wei, Mingzhe, Yiyang Zhang, Zhu Fang, Xinxin Wu, and Libin Sun. "A Numerical Study on Graphite Dust Deposition on Steam Generator Tubes in the High-Temperature Gas-Cooled Reactor (HTGR)." In 2018 26th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/icone26-82043.

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Graphite dust is an important issue for the operation and maintenance of high-temperature gas-cooled reactor (HTGR), because the transport of fission product (FP) is coupled closely with graphite dusts. For instance, vapor phase FP could condense as flowing through the steam generator (SG) and deposit on the surface of graphite dusts that are either air-borne or already deposited on SG tubes. In water ingress or loss-of-coolant accidents, these dusts may re-suspend and contribute to the source term. Despite the importance of graphite dusts in HTGRs, the transport and deposition of dust particl
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Chesnutt, Jennifer K. W., Bing Guo, and Chang-Yu Wu. "Assessment of Power Consumption of an Electrodynamic Dust Shield to Clean Solar Panels." In ASME 2016 Power Conference collocated with the ASME 2016 10th International Conference on Energy Sustainability and the ASME 2016 14th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/power2016-59371.

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Substantial time and money have been directed toward photovoltaic solar power. However, mitigation of dust on solar panels has been largely neglected. The objective of this research was to determine the performance and power consumption of an electrodynamic dust shield (EDS) to clean solar panels as a function of dust particle size. We utilized a discrete element method to computationally simulate the transport, collision, and electrodynamic interactions of particles subjected to electrodynamic waves generated by an EDS. The EDS consisted of electrodes embedded within a dielectric material. 12
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SIDORENKO, D. A., and P. S. UTKIN. "TWO-DIMENSIONAL NUMERICAL SIMULATION OF THE SHOCK WAVE-PARTICLE LAYER INTERACTION USING CARTESIAN GRID METHOD." In 12TH INTERNATIONAL COLLOQUIUM ON PULSED AND CONTINUOUS DETONATIONS. TORUS PRESS, 2020. http://dx.doi.org/10.30826/icpcd12a18.

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The process of dispersion of particles behind a shock wave (SW) propagating along the dust layer is one of the stages of the complex process of dust-layered detonation [1]. The paper presents the results of direct numerical simulation of the problem of interaction of a sliding SW with a layer of moving and interacting particles on an impermeable surface.
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Gernand, Jeremy M. "Particulate Matter: Fine and Ultrafine — How Emerging Data on Engineered Nanomaterials May Change How We Regulate Worker Exposures to Dust." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-53056.

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Currently in the United States, agencies responsible for regulations related to worker or public exposures to dust set rules based on a few general categories determined by gross particle size categories like PM10 (particles < 10 μm) and PM2.5 (particles < 2.5 μm) and the total mass of certain specific compounds (e.g., 3.5 mg/m3 of carbon black). Environmental health researchers however, have begun to focus on a new category of ultrafine particles (PM0.1; particles < 100 nm) as being more indicative of actual health risks in people. The emerging field of nanotoxicology meanwhile is pr
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Sayyah, Arash, Jeremy W. Stark, John N. Hudelson, Mark N. Horenstein, and Malay K. Mazumder. "Optimization of Electrodynamic Screens for Efficient Removal of Dust Particles." In ASME 2014 8th International Conference on Energy Sustainability collocated with the ASME 2014 12th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/es2014-6663.

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Electrodynamic Screens (EDS) is a promising alternative for removing dust particles from solar collectors and advantageous compared to the current water-based cleaning methods used widely in solar industries. To operate the EDS for efficient removal of dust layer having different size distributions and compositions of particles, it is necessary to optimize the design of the EDS and the materials used for construction. Since the electric field is the main component in removal of the dust particles, this paper reports optimization of the electric field as the function of geometric parameters of
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Chen, Tao, Jie Wang, Wei Peng, and Xiaokai Sun. "Numerical Simulation of Graphite Dust Deposition in Pebble Bed Reactor Core of HTGR." In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-67052.

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The deposition of graphite dust produced by the collision between graphite components would cause the security issue in HTGR and need to be analyzed. In this paper, a numerical calculation about the graphite dust’s deposition in the pebble bed reactor core of high-temperature gas cooled reactor was conducted. The three-dimensional steady-state solver was employed for the calculation of flow field and temperature field during simulation. The discrete phase model (DPM) and Lagrange method were applied for the simulation of graphite dust. Effects of parameters such as particle diameter, pebble be
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Tatarinov, V. V. "Prediction methods for precipitation of uniform dust particles under laminar plane wind." In SECOND INTERNATIONAL CONFERENCE ON MATERIAL SCIENCE, SMART STRUCTURES AND APPLICATIONS: ICMSS-2019. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5140165.

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Informes sobre el tema "Method of dust particles"

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Heifets, S. Life of the dust macro-particles in storage rings. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/839931.

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Ilardo, Ryan J., and Michael F. Zedd. Initial Considerations of a Dust Dispenser for Injecting Tungsten Particles in Space. Defense Technical Information Center, 2014. http://dx.doi.org/10.21236/ada610947.

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A. Smirnov, Y. Raitses, and N.J. Fisch. Maximizing Ion Current by Space Charge Neutralization using Negative Ions and Dust Particles. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/836621.

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Henderson, Kevin. Optical Method for Detecting Alpha Particles and Neutrons. Office of Scientific and Technical Information (OSTI), 2015. http://dx.doi.org/10.2172/1214634.

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Takahashi, Ko, Nobuhiro Yanagisawa, Tomoaki Ikeda, et al. Study on Measuring Method of Fine Particles From Automobile. SAE International, 2005. http://dx.doi.org/10.4271/2005-08-0656.

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Hill, Paul S., Timothy G. Milligan, and Brent A. Law. Assessment of a New Method for Estimating Density of Suspended Particles. Defense Technical Information Center, 2013. http://dx.doi.org/10.21236/ada598244.

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Perl, Martin. A New Method for Searching for Free Fractional Charge Particles in Bulk Matter. Office of Scientific and Technical Information (OSTI), 1999. http://dx.doi.org/10.2172/15098.

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Berkeland, D. J., J. H. Underwood, and R. C. C. Perera. A method for sizing sub-micron particles using small angle diffraction of soft x-rays. Office of Scientific and Technical Information (OSTI), 1988. http://dx.doi.org/10.2172/6137022.

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Thurston, Alison, Zoe Courville, Lauren Farnsworth, et al. Microscale dynamics between dust and microorganisms in alpine snowpack. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/40079.

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Dust particles carry microbial and chemical signatures from source regions to deposition regions. Dust and its occupying microorganisms are incorporated into, and can alter, snowpack physical properties including snow structure and resultant radiative and mechanical properties that in turn affect larger-scale properties, including surrounding hydrology and maneuverability. Microorganisms attached to deposited dust maintain genetic evidence of source substrates and can be potentially used as bio-sensors. The objective of this study was to investigate the impact of dust-associated microbial depo
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Yelton, W. G. A method of removing oxides from the surface of Fe-Ni-Co alloy particles by chemical etching. Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/6097378.

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